21025438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79043}}^1$

素因数の和:79071

約数の個数: 16

約数和(自身を含む): 37941120

約数和(自身を除く): 16915682

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79043, 158086, 553301, 1106602, 1501817, 3003634, 10512719, 21025438]

約数ペア:

[(1, 21025438), (2, 10512719), (7, 3003634), (14, 1501817), (19, 1106602), (38, 553301), (133, 158086), (266, 79043)]